Physician Profile
Based in Corona, CA, Stephanie J. Changchien, M.D. is listed in the NPI registry under family practice. Stephanie graduated from Northwestern University Feinberg Medical School in 2007. Stephanie is also listed as specializing in family medicine. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1205061835 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
770 MAGNOLIA AVE STE 1K
Corona, CA 92879
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
18 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Stephanie J. Changchien is a family practice in Corona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Stephanie J. Changchien is listed at 770 Magnolia Ave Ste 1K, Corona, CA 92879. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (951) 738-0303. Contact the office directly to confirm availability and scheduling.
NPI registry
Stephanie J. Changchien's National Provider Identifier is 1205061835. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Stephanie J. Changchien attended Northwestern University Feinberg Medical School, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Stephanie J. Changchien has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Stephanie J. Changchien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Stephanie J. Changchien. If this is you, claiming it is free.
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